The .NET Framework 3.5 is built incrementally upon versions 2.0 and 3.0. Applications designed for any of these three versions will run once the 3.5 feature is enabled, as it includes the necessary service packs (SP1) for the underlying layers. Methods to Install .NET 3.5 on Windows Server 2012 1. Using Server Manager (GUI) This is the standard method for most administrators.
Unlike modern versions, .NET 3.5 is not pre-installed on Windows Server 2012 and often requires specific installation media or alternate source paths to enable successfully. Why .NET 3.5 Includes 2.0 and 3.0 Using Server Manager (GUI) This is the standard
Installing on Windows Server 2012 (or 2012 R2) is a common requirement for legacy applications that rely on .NET 2.0 and 3.0 , as version 3.5 is a cumulative update that natively includes these older subcomponents. Using Server Manager (GUI) This is the standard